EP2048545A4 - Developing device and process cartridge - Google Patents

Developing device and process cartridge

Info

Publication number
EP2048545A4
EP2048545A4 EP06822171A EP06822171A EP2048545A4 EP 2048545 A4 EP2048545 A4 EP 2048545A4 EP 06822171 A EP06822171 A EP 06822171A EP 06822171 A EP06822171 A EP 06822171A EP 2048545 A4 EP2048545 A4 EP 2048545A4
Authority
EP
European Patent Office
Prior art keywords
developing device
process cartridge
cartridge
developing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06822171A
Other languages
German (de)
French (fr)
Other versions
EP2048545B1 (en
EP2048545A1 (en
Inventor
Masaki Ojima
Masahito Kato
Nobuyoshi Yoshida
Satoru Inami
Tadashi Dojo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP2048545A1 publication Critical patent/EP2048545A1/en
Publication of EP2048545A4 publication Critical patent/EP2048545A4/en
Application granted granted Critical
Publication of EP2048545B1 publication Critical patent/EP2048545B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0914—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with a one-component toner
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/087—Binders for toner particles
    • G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08706—Polymers of alkenyl-aromatic compounds
    • G03G9/08708—Copolymers of styrene
    • G03G9/08711—Copolymers of styrene with esters of acrylic or methacrylic acid
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/087—Binders for toner particles
    • G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08755—Polyesters
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/097—Plasticisers; Charge controlling agents
    • G03G9/09733—Organic compounds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0602—Developer
    • G03G2215/0604—Developer solid type
    • G03G2215/0614—Developer solid type one-component
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0602—Developer
    • G03G2215/0604—Developer solid type
    • G03G2215/0614—Developer solid type one-component
    • G03G2215/0619—Developer solid type one-component non-contact (flying development)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
EP06822171.2A 2006-10-13 2006-10-18 Developing device and process cartridge Not-in-force EP2048545B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006280337A JP2008096827A (en) 2006-10-13 2006-10-13 Developing apparatus, process cartridge and image forming apparatus
PCT/JP2006/321194 WO2008044322A1 (en) 2006-10-13 2006-10-18 Developing device and process cartridge

Publications (3)

Publication Number Publication Date
EP2048545A1 EP2048545A1 (en) 2009-04-15
EP2048545A4 true EP2048545A4 (en) 2010-12-01
EP2048545B1 EP2048545B1 (en) 2014-01-01

Family

ID=39282534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06822171.2A Not-in-force EP2048545B1 (en) 2006-10-13 2006-10-18 Developing device and process cartridge

Country Status (6)

Country Link
US (1) US7454160B2 (en)
EP (1) EP2048545B1 (en)
JP (1) JP2008096827A (en)
KR (1) KR101016520B1 (en)
CN (1) CN101523303B (en)
WO (1) WO2008044322A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5264355B2 (en) * 2008-07-31 2013-08-14 キヤノン株式会社 Image forming apparatus
JP5541685B2 (en) * 2010-02-12 2014-07-09 キヤノン株式会社 Image forming apparatus
US8942587B2 (en) * 2012-12-21 2015-01-27 Fuji Xerox Co., Ltd. Electrostatic image developer and image forming apparatus
JP6459976B2 (en) * 2013-11-28 2019-01-30 日本ゼオン株式会社 Negatively chargeable toner and method for producing the same
EP3051360B1 (en) 2015-01-30 2022-05-25 Canon Kabushiki Kaisha Developing apparatus, process cartridge and image forming apparatus
JP7305417B2 (en) 2019-04-25 2023-07-10 キヤノン株式会社 Process cartridge and image forming apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020031377A1 (en) * 2000-09-06 2002-03-14 Fuji Xerox Co., Ltd. Electrophotographic image forming method, electrophotographic image forming apparatus and electrophotographic image forming process unit
EP1207429A2 (en) * 2000-11-15 2002-05-22 Canon Kabushiki Kaisha Image forming method and apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0772807B2 (en) 1986-09-11 1995-08-02 キヤノン株式会社 Magnetic toner
EP0548440A1 (en) * 1991-12-23 1993-06-30 International Business Machines Corporation Bilithic composite for optoelectronic integration
JPH05265249A (en) 1992-03-18 1993-10-15 Ricoh Co Ltd Magnetic toner
JP3155835B2 (en) 1992-09-30 2001-04-16 キヤノン株式会社 Image forming method and apparatus unit
US5517286A (en) * 1993-01-28 1996-05-14 Canon Kabushiki Kaisha Developing apparatus
JPH06295130A (en) 1993-02-03 1994-10-21 Canon Inc Developing device
JPH0798546A (en) 1993-06-15 1995-04-11 Canon Inc Image forming device
JP4208372B2 (en) 2000-02-21 2009-01-14 キヤノン株式会社 Magnetic toner and image forming method
US6924076B2 (en) * 2001-08-20 2005-08-02 Canon Kabushiki Kaisha Developing assembly, process cartridge and image-forming method
JP2005156987A (en) 2003-11-26 2005-06-16 Kyocera Mita Corp Magnetic single-component toner
JP4532996B2 (en) 2004-06-01 2010-08-25 キヤノン株式会社 Image forming method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020031377A1 (en) * 2000-09-06 2002-03-14 Fuji Xerox Co., Ltd. Electrophotographic image forming method, electrophotographic image forming apparatus and electrophotographic image forming process unit
EP1207429A2 (en) * 2000-11-15 2002-05-22 Canon Kabushiki Kaisha Image forming method and apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008044322A1 *

Also Published As

Publication number Publication date
US7454160B2 (en) 2008-11-18
EP2048545B1 (en) 2014-01-01
CN101523303B (en) 2011-12-14
JP2008096827A (en) 2008-04-24
CN101523303A (en) 2009-09-02
WO2008044322A1 (en) 2008-04-17
KR101016520B1 (en) 2011-02-24
KR20090066321A (en) 2009-06-23
EP2048545A1 (en) 2009-04-15
US20080089722A1 (en) 2008-04-17

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